Infinity - Purple | Purple Polarized Lens
SKU: SUN140
Colorways:
Size Guide
Size | Hat Size | Inches | CM |
---|---|---|---|
Small (S) | 6 ½ - 7 ⅛ | 20.5" - 22.4" | 52cm - 57cm |
Most Popular STANDARD (Std.) |
6 ⅞ - 7 ½ | 21.7" - 23.6" | 55cm - 60cm |
X-LARGE (XL) | 7 ⅛ - 7 ⅞ | 22.4" - 24.8" | 57cm - 63cm |
How to measure
To choose the right size, follow the steps below:
Use a measuring tape for maximum accuracy (flexible tape, if possible).
Make sure the measuring tape is positioned to where your hat will be wore and neither too tight nor loose.
Measure on bare skin / over hair similiar to how you would wear your hat.
Compare your head measurements to those on our size chart, and choose the size closest to yours.
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Availability:In Stock
- Backordered, shipping soon




Infinity – Purple Frame with Purple Polarized Lens
Built for boldness. Designed to move.
Where performance meets edge, the Infinity sunglasses bring high-function energy with everyday style. With a flat-top shield silhouette and vibrant purple finish, they’re made to turn heads—on the trail, heading to the gym, or anywhere your day takes you.
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Polarized lenses with UV 400 protection cut glare and deliver crisp clarity in any light
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Featherlight, impact-resistant frame keeps things comfortable without slowing you down
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Grippy, no-slip nose pads keep them secure no matter how hard you go
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One-size-fits-most design built to suit a range of face shapes and active lifestyles
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Matte purple frame with matching purple lens for a bold, electric aesthetic
Clean lines. High performance. All confidence.
Your everyday flex—charged with color.
All orders received by 5:00pm ET are processed same-day, excluding Sundays and federal holidays. You'll receive a notification once your order has shipped, with a tracking number provided. We offer hassle-free returns and exchanges within 30 days of delivery. For any inquiries or assistance, please contact us atinfo@alteregorunning.com.